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Simulation of Radiant Floor Cooling and Analysis of the Corresponding Drop Wet Problems

Author: GuWenTao
Tutor: ZhengMaoYu
School: Harbin Institute of Technology
Course: Heating,Gas Supply, Ventilation and Air Conditioning Engineering
Keywords: Floor radiant cooling Dehumidifier Displacement ventilation CFD simulation Comfort
CLC: TU831.6
Type: Master's thesis
Year: 2009
Downloads: 73
Quote: 0
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Abstract


The thesis introduces the floor radiant cooling mechanism, characteristics and application, introduces the different methods of wet, the application of floor radiant cooling,displacement ventilation has played a very good dehumidifier in northern area of cold .The thesis developed a radiation model of floor radiant cooling room. using the software AirPak simulates indoor thermal and moisture distribution of single floor radiant cooling in northwest area of hot summer, cold winter and dry ,such as urumqi.To simulate the temperature field and the room, to simulate the relative humidity of floor radiant cooling comfort. Through the simulation of whole and indoor temperature field that is uniform, Through the simulation of relative humidity cloud near floor, floor surface relative humidity, won’t appear condensation situation, Through simulating the PMV, PPD and cloud in comfort separate floor radiant cooling achieved very good comfort.Based on the Harbin, for example, use AirPak software to simulate the north in cold area and separate floor radiant cooling with displacement ventilation system combined with the radiant floor heating system under the condition of indoor wet distribution, To simulate the temperature field and the room, to simulate the relative humidity of floor radiant cooling comfort. Through the simulation of floor, near the contours of relative humidity that separate floor radiant cooling floor place, have relative humidity, condensation may be in the condition of displacement ventilation, floor is greatly reduced and the relative humidity of the lower to harden. Through simulating the PMV, PPD and cloud in comfort with displacement ventilation single floor radiation combined reached good comfort. That played a very good displacement ventilation dehumidifying roledehumidify.

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CLC: > Industrial Technology > Building Science > Housing construction equipment > Air-conditioning, heating, ventilation,and its equipment > Air-conditioning > Air-conditioning refrigeration technology
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